Looks like engines must be in each of the examples.

ghengeveld · ghengeveld · commit b0fcbec58d20 · 2019-09-16T10:25:24.000+02:00
diff --git a/examples/basic-fetch/package.json b/examples/basic-fetch/package.json
@@ -35,5 +35,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/examples/basic-hook/package.json b/examples/basic-hook/package.json
@@ -35,5 +35,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/examples/custom-instance/package.json b/examples/custom-instance/package.json
@@ -35,5 +35,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/examples/movie-app/package.json b/examples/movie-app/package.json
@@ -35,5 +35,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/examples/with-abortcontroller/package.json b/examples/with-abortcontroller/package.json
@@ -35,5 +35,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/examples/with-nextjs/package.json b/examples/with-nextjs/package.json
@@ -28,5 +28,8 @@
   "relativeDependencies": {
     "react-async": "../../packages/react-async/pkg",
     "react-async-devtools": "../../packages/react-async-devtools/pkg"
+  },
+  "engines": {
+    "node": "^8 || ^10"
   }
 }
diff --git a/examples/with-react-native/package.json b/examples/with-react-native/package.json
@@ -1,6 +1,7 @@
 {
   "name": "with-react-native-example",
   "version": "8.0.0",
+  "private": true,
   "main": "node_modules/expo/AppEntry.js",
   "scripts": {
     "postinstall": "relative-deps",
@@ -28,5 +29,7 @@
   "relativeDependencies": {
     "react-async": "../../packages/react-async/pkg"
   },
-  "private": true
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/examples/with-react-router/package.json b/examples/with-react-router/package.json
@@ -26,5 +26,8 @@
   "relativeDependencies": {
     "react-async": "../../packages/react-async/pkg",
     "react-async-devtools": "../../packages/react-async-devtools/pkg"
+  },
+  "engines": {
+    "node": "^8 || ^10"
   }
 }
diff --git a/examples/with-typescript/package.json b/examples/with-typescript/package.json
@@ -40,5 +40,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "engines": {
+    "node": "^8 || ^10"
+  }
 }
diff --git a/package.json b/package.json
@@ -67,8 +67,5 @@
     "react": "16.9.0",
     "react-async": "^8.0.0-alpha.0",
     "react-dom": "16.9.0"
-  },
-  "engines": {
-    "node": "^8 || ^10"
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -28,5 +28,8 @@`
`28`	`28`	`"relativeDependencies": {`
`29`	`29`	`"react-async": "../../packages/react-async/pkg",`
`30`	`30`	`"react-async-devtools": "../../packages/react-async-devtools/pkg"`
	`31`	`+ },`
	`32`	`+ "engines": {`
	`33`	`+ "node": "^8 \|\| ^10"`
`31`	`34`	`}`
`32`	`35`	`}`
Original file line number	Diff line number	Diff line change
`@@ -26,5 +26,8 @@`
`26`	`26`	`"relativeDependencies": {`
`27`	`27`	`"react-async": "../../packages/react-async/pkg",`
`28`	`28`	`"react-async-devtools": "../../packages/react-async-devtools/pkg"`
	`29`	`+ },`
	`30`	`+ "engines": {`
	`31`	`+ "node": "^8 \|\| ^10"`
`29`	`32`	`}`
`30`	`33`	`}`
Original file line number	Diff line number	Diff line change
`@@ -67,8 +67,5 @@`
`67`	`67`	`"react": "16.9.0",`
`68`	`68`	`"react-async": "^8.0.0-alpha.0",`
`69`	`69`	`"react-dom": "16.9.0"`
`70`		`- },`
`71`		`- "engines": {`
`72`		`- "node": "^8 \|\| ^10"`
`73`	`70`	`}`
`74`	`71`	`}`